CMX file extension. How to open and convert files with CMX file suffix

A cmx file extension is related to the Apple Viewer program for old Mac computers. A cmx file contains data.

There are 4 other file types using
the CMX file extension!

.cmx - Corel Presentation exchange image

.cmx - Qualcomm CMX ringtone

.cmx - Patch

.cmx - The Sims 3D body mesh data file

CMX file extension - Apple Viewer data

What is cmx file? How to open cmx files?

File type specification:

Various data file type

cmx file icon:

The cmx file extension was also used by app for Macintosh computers with System or Mac OS Classic operating systems, called Apple Viewer.

The cmx file stores some kind of data.

This cmx file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open cmx file:

Mac OS X

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

macOS

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .cmx file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .cmx file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cmx file, edit cmx file, convert cmx file, view cmx file, play cmx file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with cmx file - Apple Viewer data

Click on the software link for more information about Mac OS X. Mac OS X uses cmx file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).